package websocket4j.examples;

/**
 * This file is part of GNU WebSocket4J.
 * Copyright (C) 2010  Marek Aaron Sapota
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent modules,
 * and to copy and distribute the resulting executable under terms of your choice,
 * provided that you also meet, for each linked independent module, the terms and
 * conditions of the license of that module. An independent module is a module
 * which is not derived from or based on this library. If you modify this library,
 * you may extend this exception to your version of the library, but you are not
 * obligated to do so. If you do not wish to do so, delete this exception
 * statement from your version.
 */

import java.io.IOException;

import websocket4j.server.WebServerSocket;
import websocket4j.server.WebSocket;

/**
 * Example presenting an echo server using WebSocket4j.
 */
public class EchoServer extends Thread {

	private WebSocket ws;

	public EchoServer(WebSocket ws) {
		this.ws = ws;
	}

	private void handleConnection() {
		try {
			while (true) {
				String message = ws.getMessage();
				ws.sendMessage(message);
				System.out.println("Received: " + message);
				if (message.equals("exit"))
					break;
			}
		} catch (IOException e) {
		}finally {
			try {
				ws.close();
			} catch (IOException e) {
			}
		}
	}

	public void run() {
		handleConnection();
	}

	public static void main(String[] args) throws IOException {
		WebServerSocket socket = new WebServerSocket(5555);
		try {
			while (true) {
				WebSocket ws = socket.accept();
				System.out.println("GET " + ws.getRequestUri());
				if (ws.getRequestUri().equals("/echo"))
					(new EchoServer(ws)).start();
				else {
					System.out.println("Unsupported Request-URI");
					try {
						ws.close();
					} catch (IOException e) {
					}
				}
			}

		} finally {
			socket.close();
		}
	}

}
